From: "Pádraig Brady" <P@draigBrady.com>
To: lacsaP Patatetom <patatetom@gmail.com>, 69488@debbugs.gnu.org
Subject: bug#69488: tr (question)
Date: Fri, 1 Mar 2024 19:30:33 +0000 [thread overview]
Message-ID: <4c63daa4-10f9-1a35-2da4-628c7cc88ac7@draigBrady.com> (raw)
In-Reply-To: <CAGhAadeFkAzKdFxL4L-SKartjOAKsOW1nKY0gokEquJGBsMwpw@mail.gmail.com>
On 01/03/2024 15:33, lacsaP Patatetom wrote:
> hi,
>
> I did a few tests with tr and I'm surprised by the results...
>
> $ echo éèçà
> éèçà
>
> these characters are encoded in utf-8 on 2 bytes :
>
> $ echo éèçà | xxd
> 00000000: c3a9 c3a8 c3a7 c3a0 0a .........
>
> now I use tr to remove non-printable characters :
>
> $ echo éèçà | tr -cd '[:print:]'
> $ echo éèçà | tr -cd '[:print:]' | wc
> 0 0 0
>
> all characters are deleted by tr
> now I want to keep the "é" character :
>
> $ echo éèçà | tr -cd '[:print:]é'
> ��
>
> why do the "�" characters appear ?
>
> regards, lacsaP.
It's a known issue that tr is currently non multi-byte aware.
thanks,
Pádraig
next parent reply other threads:[~2024-03-01 19:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAGhAadeFkAzKdFxL4L-SKartjOAKsOW1nKY0gokEquJGBsMwpw@mail.gmail.com>
2024-03-01 19:30 ` Pádraig Brady [this message]
2024-03-04 8:25 ` bug#69488: tr (question) lacsaP Patatetom
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